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S33228 Stainless Steel vs. Ductile Cast Iron

Both S33228 stainless steel and ductile cast iron are iron alloys. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S33228 stainless steel and the bottom bar is ductile cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160 to 310
Elastic (Young's, Tensile) Modulus, GPa 200
170 to 180
Elongation at Break, % 34
2.1 to 20
Poisson's Ratio 0.28
0.28 to 0.31
Shear Modulus, GPa 79
64 to 70
Shear Strength, MPa 380
420 to 800
Tensile Strength: Ultimate (UTS), MPa 570
460 to 920
Tensile Strength: Yield (Proof), MPa 210
310 to 670

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Mechanical, °C 1100
290
Melting Completion (Liquidus), °C 1410
1160
Melting Onset (Solidus), °C 1360
1120
Specific Heat Capacity, J/kg-K 470
490
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.9
Density, g/cm3 8.0
7.1 to 7.5
Embodied Carbon, kg CO2/kg material 6.2
1.5
Embodied Energy, MJ/kg 89
21
Embodied Water, L/kg 220
43

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
17 to 80
Resilience: Unit (Modulus of Resilience), kJ/m3 110
280 to 1330
Stiffness to Weight: Axial, points 14
12 to 14
Stiffness to Weight: Bending, points 24
24 to 26
Strength to Weight: Axial, points 20
17 to 35
Strength to Weight: Bending, points 19
18 to 29
Thermal Shock Resistance, points 13
17 to 35

Alloy Composition

Aluminum (Al), % 0 to 0.025
0
Carbon (C), % 0.040 to 0.080
3.0 to 3.5
Cerium (Ce), % 0.050 to 0.1
0
Chromium (Cr), % 26 to 28
0
Iron (Fe), % 36.5 to 42.3
93.7 to 95.5
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 31 to 33
0
Niobium (Nb), % 0.6 to 1.0
0
Phosphorus (P), % 0 to 0.020
0 to 0.080
Silicon (Si), % 0 to 0.3
1.5 to 2.8
Sulfur (S), % 0 to 0.015
0